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QuickBooks help · data recovery
QuickBooks data recovery: how to recover lost or damaged data.
“Data recovery” comes up when a company file is damaged beyond a normal rebuild, was deleted or overwritten, was lost to a failing drive, or got encrypted by ransomware. The recovery sequence below works in order — stop using the affected drive, then try Auto Data Recovery, backups, and the transaction log before anything irreversible. Below that: when the file needs expert handling, or when drive failure and ransomware mean IT belongs in the room.
QuickBooks · HelpData RecoveryBy TechBrot2026-10-21
§ TL;DR
“QuickBooks data recovery” means getting your data back after a company file is damaged beyond what a normal Rebuild can fix, was accidentally deleted or overwritten, was lost to a drive or storage failure, or was encrypted or quarantined by ransomware.
The first and most important move is to stop using the affected drive or file so you don’t overwrite data that’s still recoverable. From there, QuickBooks’ built-in Auto Data Recovery (ADR), a recent clean backup (.QBB), and the transaction log (.TLG) are the main tools for getting the books back. Hardware-level drive recovery and ransomware remediation are specialist and IT work — not something QuickBooks itself does.
§ 01 · How QuickBooks data gets lost
Common scenarios, in order of likelihood.
The recovery steps address these in roughly the same order — so knowing which situation you’re in tells you which tool to reach for first.
Scenario 01 · File corruption a Rebuild can’t fix
The most common path to needing recovery. The company file is damaged enough that Verify and Rebuild no longer repair it — it won’t open, throws errors, or opens with data clearly missing or scrambled. At that point the everyday repair tools have been exhausted and you’re recovering from another copy rather than fixing the file in place.
Scenario 02 · The .QBW was deleted or overwritten
The company file (.QBW) was deleted by accident, saved over, or replaced by an older copy — sometimes during a routine cleanup or a misjudged restore. The data may still be recoverable from Auto Data Recovery, a backup, or the drive itself, which is exactly why you stop writing to that drive immediately.
Scenario 03 · A failing or dead hard drive
The drive or storage device holding the file is failing or has died, so the file can’t be read at all. This is a hardware problem, not a QuickBooks one — if there’s no recent backup elsewhere, recovering data from the failing drive is the job of a data-recovery specialist, not the software.
Scenario 04 · Ransomware or malware encrypted the file
Ransomware or other malware has encrypted, quarantined, or locked the company file so QuickBooks can’t open it. The fix is security and IT work first — isolating the machine and assessing the infection — and the books are recovered from a clean backup or an unaffected copy afterward, not by QuickBooks itself.
Scenario 05 · The backup was old or itself damaged
You go to restore and find the most recent backup (.QBB) is weeks or months stale, or is itself corrupted and won’t restore. Now recovery means finding the most recent usable copy — ADR, an older backup, or the transaction log — and reconstructing what changed since, rather than a clean one-click restore.
Less common · Less common: data lost during a botched migration
A move between QuickBooks versions, editions, or machines went wrong — the file was converted incorrectly, partially copied, or overwritten on the destination. These cases are where surface tools stop helping and a careful look at every surviving copy, plus a rebuild, is warranted.
§ 02 · The recovery sequence
How to recover QuickBooks data yourself.
Six steps, in order. The first step matters most — stop overwriting recoverable data. If Auto Data Recovery and your backups don’t bring the file back, or the file is on a failing drive, stop and get expert help before the data is gone for good.
- 1
Stop using the affected drive or file
Before anything else, stop working on the drive or file you lost data from. Continuing to use it — saving, installing, even browsing — can overwrite data that’s still recoverable. If the loss is on the main drive and you suspect deletion or drive failure, the safest move is to power down and recover from another machine or copy.
- 2
Use QuickBooks Auto Data Recovery (ADR)
QuickBooks Desktop keeps Auto Data Recovery copies — the
.QBW.adrand.TLG.adrfiles — that can rebuild recent data when the live file is damaged. Locate the ADR folder, copy the.adrfiles to a safe working folder, rename them, and open the rebuilt file to check how recent the recovered data is before relying on it. - 3
Restore the most recent clean backup
Restore the newest backup (
.QBB) you trust. Restore it to a new file name so you don’t overwrite anything you might still recover, then open it and confirm how much data it contains and how far back it goes — that tells you what gap, if any, you still need to rebuild. - 4
Combine a recent .TLG with the last good .QBW
If your last good backup is older than the data you lost, the transaction log (
.TLG) can recover transactions entered since that backup. Combining a recent.TLGwith the last good.QBWreconstructs the gap — but it’s an exacting process that’s easy to get wrong, so work on copies and verify carefully (or hand it to a ProAdvisor). - 5
Check ADR and backup integrity before relying on it
A recovered file is only useful if it’s sound. Open it, run Verify, and confirm the data is complete and the balances tie before you continue working in it — an ADR copy or backup that’s itself damaged will only move the problem forward. Don’t delete the originals until you’ve confirmed the recovered file is good.
- 6
For drive failure or ransomware, involve IT or a data-recovery specialist
If the data is on a physically failing drive, or the file was encrypted by ransomware, the storage and security layer is specialist work — a data-recovery service for the drive, an IT or security team for the malware. Recover the books from a clean copy afterward. If you’re now facing a damaged or incomplete file that needs rebuilding, stop and get it reviewed before the data is lost for good.
§ 03 · When to call
Three signals it’s a ProAdvisor call.
ADR and backups aren’t enough
You’ve tried Auto Data Recovery and every backup you have, and the most recent usable copy still leaves a gap — or none of them open cleanly. Reconstructing the missing data from what survived is exacting recovery work, not a one-click restore, and it’s the moment to bring in a ProAdvisor before you make the gap worse.The .TLG/.QBW combination needs expert handling
Recovering transactions by combining the transaction log with the last good company file is precise and easy to corrupt further if done wrong. When the gap matters and the data has to be exact, a QuickBooks ProAdvisor handles the .TLG/.QBW combination on copies and verifies the result — rather than risking the only data you have left.You need the file rebuilt to a CPA-ready standard
Getting a file back isn’t the same as getting books you can close on. If the recovered file is incomplete, out of balance, or missing a stretch of transactions, it needs to be rebuilt and reconciled to a CPA-ready standard — that’s cleanup work, the point at which a file review and a fixed-fee scope make sense.§ 04 · Software, or the books?
When a data recovery is no longer a software problem.
Recovery gets data back into a file that opens. Whether the recovered file is complete and correct is a bookkeeping check that no recovery tool performs.
- The recovered file is missing a stretch of recent transactions.
- Reconciled periods show different balances than before the damage.
- Some transactions came back twice, once from recovery and once re-entered.
Start with the free QuickBooks file review — a limited review that identifies likely issues and the information needed for a written scope, with the findings in plain English. If the findings show that the books themselves need work, that is QuickBooks cleanup, quoted as a fixed fee against a written scope before any work starts.
ADR and backups not enough, or the file needs expert handling?A QuickBooks ProAdvisor reviews the file free, then recovers and rebuilds the books from whatever files are available — a focused diagnostic is from $450, a fixed fee set after scoping, and any recovery or rebuild is one fixed fee, scoped in writing; bookkeeping cleanup runs $1,200–$15,000+ if the books are behind. Drive recovery and ransomware remediation we coordinate with IT specialists.
Get the free file review
§ 05 · Who recovers it
A QuickBooks ProAdvisor recovers the data and rebuilds the books.
Clicking restore is the easy part. The work that actually gets you a usable file is everything around it: figuring out which copy — ADR, backup, or transaction log — holds the most recent good data, combining a recent .TLG with the last good .QBW to recover transactions since the backup, verifying the recovered file is sound before you trust it, and rebuilding the books to a CPA-ready standard so the numbers tie again. A QuickBooks ProAdvisor holding the Intuit QuickBooks Certification Level 2 does that against a written scope. We recover and rebuild the books from the files that are available; hardware-level drive recovery and ransomware remediation are specialist and IT work we coordinate with, not perform.
Freefile review first — we look before we scope
From $1,200focused diagnostic, a fixed fee set after scoping; any recovery or rebuild is then one fixed fee, scoped in writing
§ 08 · Questions
What people ask about recovering QuickBooks data.
How do I recover a deleted or lost QuickBooks company file?
First stop using the affected drive so you don’t overwrite recoverable data. Then try Auto Data Recovery (the .QBW.adr and .TLG.adr files) to rebuild recent data, restore the most recent clean backup (.QBB) to a new file name, and if your backup is older than the lost data, combine a recent transaction log (.TLG) with the last good .QBW. Verify any recovered file is sound before you rely on it.
What is QuickBooks Auto Data Recovery (ADR)?
Auto Data Recovery is a QuickBooks Desktop feature that keeps recent copies of your data — a .QBW.adr copy of the company file and a .TLG.adr copy of the transaction log — that can rebuild recent data when the live file is damaged. You copy the .adr files to a safe folder, rename them, and open the rebuilt file to see how recent the recovered data is. It’s one of the first tools to reach for, not a guarantee.
Can you recover data from a crashed hard drive or after ransomware?
Not the hardware or the malware itself — that’s the clear line. Recovering data from a physically failing drive is the job of a data-recovery specialist, and ransomware needs an IT or security team to isolate and remediate first. What we do is recover and rebuild the books from a clean backup or an unaffected copy afterward, to a CPA-ready standard. We coordinate with those specialists; we don’t do drive-level or security work ourselves.
My backup is old or won’t restore. What now?
Then recovery means finding the most recent usable copy and reconstructing what changed since. Check Auto Data Recovery for a more recent copy, look for older backups that do restore, and see whether a recent transaction log (.TLG) can recover transactions entered after the last good backup. Combining a .TLG with the last good .QBW is exacting work — do it on copies, or hand it to a ProAdvisor so you don’t lose what survived.
Does QuickBooks data recovery apply to Online and Desktop?
The scenarios and tools here are mainly QuickBooks Desktop, where you own local .QBW, .QBB, and .TLG files and Auto Data Recovery copies. QuickBooks Online stores your data in the cloud, so file-level loss is rarer — but data damage, bad imports, deletions, and migrations still happen, and recovering or rebuilding those books to a CPA-ready standard is the same operational work TechBrot does.
When should I stop and call a ProAdvisor?
When Auto Data Recovery and your backups aren’t enough; when the .TLG/.QBW combination needs careful handling; when the file is on a failing drive or was hit by ransomware (which also needs IT); or when you need the recovered file rebuilt to a CPA-ready standard. We start with a free file review — call (877) 751-5575 — then a focused diagnostic is from $450 — a fixed fee, set after scoping — and any recovery or rebuild is one fixed fee, scoped in writing, or a bookkeeping cleanup ($1,200–$15,000+) if the books are behind.
Can you fix my Intuit account or reset my login to get my data?
No — that’s an Intuit account matter, and an independent firm can’t access it. For an Intuit login, password, subscription, or billing question, contact Intuit directly. We work with your own QuickBooks files: recovering and rebuilding the data and the books from the ADR copies, backups, and transaction logs that are available.
TechBrot is an independent firm, not Intuit. We never ask for your Intuit login, remote control of your computer, or payment by gift card or link.Call (877) 751-5575Book a discovery call
ADR and backups not enough, or the file needs expert handling?